Service manual

Service and Maintenance
73
DCB, DCFCB and DCFCTB Models
3. Poll the system for siren status reports.
4. Examine each site report for any failed condition. If you detect a failure
condition, notify designated service personnel.
Annual Inspection
Perform the pre-operational system test procedure on an annual basis. Refer to the
Pre-operational System Testing section on page 67 for details.